test_that("the `fmt_percent()` function works correctly in the LaTeX context", {

  # Create an input data frame four columns: two
  # character-based and two that are numeric
  data_tbl <-
    data.frame(
      char_1 = c("saturday", "sunday", "monday", "tuesday",
                 "wednesday", "thursday", "friday"),
      char_2 = c("june", "july", "august", "september",
                 "october", "november", "december"),
      num_1 = c(1836.23, 2763.39, 937.29, 643.00, 212.232, 0, -23.24),
      num_2 = c(34, 74, 23, 93, 35, 76, 57),
      stringsAsFactors = FALSE
    )

  # Create a `tbl_latex` object with `gt()` and the
  # `data_tbl` dataset
  tbl_latex <- gt(data_tbl)

  # Format the `num_1` column to 2 decimal places, use all
  # other defaults; extract `output_df` and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623.00\\%$", "$276,339.00\\%$", "$93,729.00\\%$",
      "$64,300.00\\%$", "$21,223.20\\%$", "$0.00\\%$", "$-2,324.00\\%$"
    )
  )

  # Format the `num_1` column to 5 decimal places, use all
  # other defaults; extract `output_df` and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 5) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623.00000\\%$", "$276,339.00000\\%$", "$93,729.00000\\%$",
      "$64,300.00000\\%$", "$21,223.20000\\%$", "$0.00000\\%$",
      "$-2,324.00000\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, drop the trailing
  # zeros, use all other defaults; extract `output_df` and compare to
  # expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 2,
         drop_trailing_zeros = TRUE
       ) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623\\%$", "$276,339\\%$", "$93,729\\%$", "$64,300\\%$",
      "$21,223.2\\%$", "$0\\%$", "$-2,324\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, don't use digit
  # grouping separators, use all other defaults; extract `output_df`
  # and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, use_seps = FALSE) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183623.00\\%$", "$276339.00\\%$", "$93729.00\\%$", "$64300.00\\%$",
      "$21223.20\\%$", "$0.00\\%$", "$-2324.00\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, use a single space
  # character as digit grouping separators, use all other defaults;
  # extract `output_df` and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, sep_mark = " ") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183 623.00\\%$", "$276 339.00\\%$", "$93 729.00\\%$", "$64 300.00\\%$",
      "$21 223.20\\%$", "$0.00\\%$", "$-2 324.00\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, use a period for the
  # digit grouping separators and a comma for the decimal mark, use
  # all other defaults; extract `output_df` and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 2,
         sep_mark = ".", dec_mark = ","
       ) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183.623,00\\%$", "$276.339,00\\%$", "$93.729,00\\%$", "$64.300,00\\%$",
      "$21.223,20\\%$", "$0,00\\%$", "$-2.324,00\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, prepend and append
  # all values by 2 different literals, use all other defaults; extract
  # `output_df` and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, pattern = "a {x}:n") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "a $183,623.00\\%$:n", "a $276,339.00\\%$:n", "a $93,729.00\\%$:n",
      "a $64,300.00\\%$:n", "a $21,223.20\\%$:n", "a $0.00\\%$:n",
      "a $-2,324.00\\%$:n"
    )
  )

  # Format the `num_1` column to 0 decimal places, place a space between
  # the percent sign (on the right) and the value, use all other defaults;
  # extract `output_df` and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 0,
         placement = "right", incl_space = TRUE
       ) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623 \\%$", "$276,339 \\%$", "$93,729 \\%$", "$64,300 \\%$",
      "$21,223 \\%$", "$0 \\%$", "$-2,324 \\%$"
    )
  )

  # Format the `num_1` column to 0 decimal places, place a space between
  # the percent sign (on the left) and the value, use all other defaults;
  # extract `output_df` and compare to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 0,
         placement = "left", incl_space = TRUE
       ) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$\\% 183,623$", "$\\% 276,339$", "$\\% 93,729$", "$\\% 64,300$",
      "$\\% 21,223$", "$\\% 0$", "$-\\% 2,324$"
    )
  )

  # Format the `num_1` column to 2 decimal places, use accounting style
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, accounting = TRUE) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623.00\\%$", "$276,339.00\\%$", "$93,729.00\\%$", "$64,300.00\\%$",
      "$21,223.20\\%$", "$0.00\\%$", "$(2,324.00\\%)$"
    )
  )

  # Format the `num_1` column to 3 decimal places, use accounting style
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 3, accounting = TRUE) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623.000\\%$", "$276,339.000\\%$", "$93,729.000\\%$",
      "$64,300.000\\%$", "$21,223.200\\%$", "$0.000\\%$", "$(2,324.000\\%)$"
    )
  )

  # Format the `num_1` column to 2 decimal places, use accounting style
  # and a pattern around the values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 3,
         accounting = TRUE, pattern = "a{x}b") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "a$183,623.000\\%$b", "a$276,339.000\\%$b", "a$93,729.000\\%$b",
      "a$64,300.000\\%$b", "a$21,223.200\\%$b", "a$0.000\\%$b", "a$(2,324.000\\%)$b"
    )
  )

  # Format the `num_1` column to 2 decimal places, use accounting style
  # and drop all trailing zeros
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 3,
         accounting = TRUE, drop_trailing_zeros = TRUE) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623\\%$", "$276,339\\%$", "$93,729\\%$", "$64,300\\%$",
      "$21,223.2\\%$", "$0\\%$", "$(2,324\\%)$"
    )
  )

  # Format the `num_1` column to 2 decimal places, force the sign
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 2,  drop_trailing_zeros = TRUE,
         scale_values = FALSE, force_sign = TRUE
       ) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$+1,836.23\\%$", "$+2,763.39\\%$", "$+937.29\\%$", "$+643\\%$",
      "$+212.23\\%$", "$0\\%$", "$-23.24\\%$"
    )
  )

  # Expect that using `force_sign = TRUE` with `accounting = TRUE`
  # will render values in accounting format
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 2, drop_trailing_zeros = TRUE,
         scale_values = FALSE, accounting = TRUE, force_sign = TRUE
       ) %>%
       render_formats_test("latex"))[["num_1"]],
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 2,  drop_trailing_zeros = TRUE,
         scale_values = FALSE, accounting = TRUE
       ) %>%
       render_formats_test("latex"))[["num_1"]]
  )

  # Format the `num_1` column to 2 decimal places, force the sign and
  # define a pattern for decorating values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(
         columns = num_1, decimals = 2, drop_trailing_zeros = TRUE,
         pattern = "*{x}*", force_sign = TRUE
       ) %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "*$+183,623\\%$*", "*$+276,339\\%$*", "*$+93,729\\%$*",
      "*$+64,300\\%$*", "*$+21,223.2\\%$*", "*$0\\%$*", "*$-2,324\\%$*"
    )
  )

  # Format the `num_1` column to 2 decimal places, apply the `en_US`
  # locale and use all other defaults; extract `output_df` and compare
  # to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, locale = "en_US") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183,623.00\\%$", "$276,339.00\\%$", "$93,729.00\\%$",
      "$64,300.00\\%$", "$21,223.20\\%$", "$0.00\\%$", "$-2,324.00\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, apply the `da_DK`
  # locale and use all other defaults; extract `output_df` and compare
  # to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, locale = "da_DK") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183.623,00\\%$", "$276.339,00\\%$", "$93.729,00\\%$",
      "$64.300,00\\%$", "$21.223,20\\%$", "$0,00\\%$", "$-2.324,00\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, apply the `de_AT`
  # locale and use all other defaults; extract `output_df` and compare
  # to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, locale = "de_AT") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183 623,00\\%$", "$276 339,00\\%$", "$93 729,00\\%$",
      "$64 300,00\\%$", "$21 223,20\\%$", "$0,00\\%$", "$-2 324,00\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, apply the `et_EE`
  # locale and use all other defaults; extract `output_df` and compare
  # to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, locale = "et_EE") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183 623,00\\%$", "$276 339,00\\%$", "$93 729,00\\%$",
      "$64 300,00\\%$", "$21 223,20\\%$", "$0,00\\%$", "$-2 324,00\\%$"
    )
  )

  # Format the `num_1` column to 2 decimal places, apply the `gl_ES`
  # locale and use all other defaults; extract `output_df` and compare
  # to expected values
  expect_equal(
    (tbl_latex %>%
       fmt_percent(columns = num_1, decimals = 2, locale = "gl_ES") %>%
       render_formats_test("latex"))[["num_1"]],
    c(
      "$183.623,00\\%$", "$276.339,00\\%$", "$93.729,00\\%$",
      "$64.300,00\\%$", "$21.223,20\\%$", "$0,00\\%$", "$-2.324,00\\%$"
    )
  )
})
